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Stichtite
Stichtite

Afghanite
Afghanite



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Stichtite
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Afghanite

Stichtite and Afghanite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.11-2.202.55-2.65
Amber
1 7.18
1.5 Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Uneven
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle, Conchoidal, Brittle
1.6 Cleavage
Perfect on {0001}
Perfect {10 1 0}
1.7 Mohs Hardness
Not Available5.5-6
Amber
2 10
1.8 Chemical Composition
Mg 6Cr 2(CO 3)(OH) 16 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

Stichtite and Afghanite Chemical Formula

While comparing Stichtite and Afghanite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Stichtite and Afghanite chemical formula.

  • Chemical formula of Stichtite- Mg 6Cr 2(CO 3)(OH) 16 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Afghanite- (Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

Stichtite and Afghanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Stichtite and Afghanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Stichtite and Afghanite Optical Properties during the identification of gemstone. Specific gravity of Stichtite is 2.55-2.65 whereas that of Afghanite is 2.55-2.65.